Musculus flexor pollicis brevis

The video tutorial explores the Flexor Pollicis Brevis muscle, detailing its history, anatomy, nerve supply, and function. It explains the muscle's two heads, their origins, and attachments, as well as the nerve supply variations. The muscle's primary role in thumb flexion and its movement in the saddle joint are also discussed.

What is the translation of Musculus flexor pollicis brevis?

• Short thumb flexor

• Long thumb flexor

• Short finger flexor

• Long finger flexor

Where do the muscles of the ball of the thumb originate?

• From the ulna

• From the carpal bones

• From the metacarpals

• From the phalanges

Which muscle head of the Flexor Pollicis Brevis is more variable?

• Neither is variable

• Caput Superficiale

• Caput Profundum

• Both are equally variable

Which nerve typically innervates the Caput Superficiale of the Flexor Pollicis Brevis?

• Radial nerve

• Median nerve

• Ulnar nerve

• Sciatic nerve

What is the primary function of the Flexor Pollicis Brevis muscle?

• Extension of the thumb

• Abduction of the thumb

• Rotation of the thumb

• Flexion of the thumb